This version should work well in all cases now. The only thing i could
not fix is that first delayed frames are not outputed for statistics and
that the flushed one, are used. I'll fix that later.
- dropped MP4U container (was confusing people, because they think mp4u
is a real format)
- drops NVOPS (length <= 7)
- counts delayed frames, and thus is able to determine how much frames
it has to flush at the end of the 'normal' decoding process to flush
xvid decoder internal buffers.
- output is now easier to parse ',' can be used as field separator

- Drops N-VOPS
- Dropped support for MP4U container, it was just confusing people, and
was mostly not needed during tests. Better concentrate on raw support
which is not that easy with the new bframes/sframes.
- Better output (easier to parse ',' is a field separator)

Boy i don't like adding more crap to this trash, but this fixes all intra types reporting (adding intra=3==SVOP) and fixes some (but not all) statistics returning (bframe don't set all information for the header part)

Added several MB-functions which do the same as MBTransQuantInter/Intra now,
but split into several routines. MBTransQuantInter2/Intra2 do the same as
-Inter/Intra but using the split up routines, MBTransQuantBVOP skips unneeded
decoding operations for B-VOPs.

Interpolated and DirectMode motion estimation (DiamondSearch) for B-Frames.
Slow, but working, this might have been the final step to a complete
implemenation of b-frame encoding. Btw... it's 5.a.m so don't trust
this CVS entry!

Added #ifdef _DISABLE_SKIP in MBCoding(). If this is defined, there
will be __no skipped macroblocks__ in P-frames!
This is of course bad (bigger files), but it's needed for clean B-frame
encoding until we have a workaround for the SKIP-flaw in the standard. :-(

ProfDrMorph's new (unoptimized) Luma Masking code:
luminance masking now works with relative values instead of absolute ones
the new code raises/lowers oberall quant for especially bright/dark frames ( Weber-Fechner law: humans see less differences in bright scenes )
every pixel with a very low lumi value is set to 0 for better compressability ( again the Weber-Fechner law; below a certain intesity humans won't see anything )

- Added quiet_encore symbol so transcode can use XviD with its divx4 API
- Added comments
- Added possible ToDos and pointed out 2 major problems :
+ Reentrance
+ the quality setting for the encoder part